1 files changed, 26 insertions, 0 deletions
diff --git a/tests/run-make/extern-fn-with-packed-struct/test.c b/tests/run-make/extern-fn-with-packed-struct/test.c
new file mode 100644
index 00000000000..c89f8272b1e
--- /dev/null
+++ b/tests/run-make/extern-fn-with-packed-struct/test.c
@@ -0,0 +1,26 @@
+// Pragma needed cause of gcc bug on windows: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
+
+#include <assert.h>
+
+#ifdef _MSC_VER
+#pragma pack(push,1)
+struct Foo {
+    char a;
+    short b;
+    char c;
+};
+#else
+#pragma pack(1)
+struct __attribute__((packed)) Foo {
+    char a;
+    short b;
+    char c;
+};
+#endif
+
+struct Foo foo(struct Foo foo) {
+    assert(foo.a == 1);
+    assert(foo.b == 2);
+    assert(foo.c == 3);
+    return foo;
+}